<template>
<transition name="slide">
  <music-list :title="title" :bg-image="bgImage" :songs="songs"></music-list>
</transition>
</template>

<script type="text/ecmascript-6">
import MusicList from "components/music-list/music-list";
import { getSingerDetail } from "api/singer";
import { ERR_OK } from "api/config";
import { createSong } from "common/js/song";
import { mapGetters } from "vuex";

export default {
  data() {
    return {
      songs: []
    };
  },
  computed: {
      title() {
    return this.singer.name;
  },
   bgImage() {
    return this.singer.avatar;
  },
    ...mapGetters(["singer"])
  },

  bgImage() {
    return this.singer.avatar;
  },
  created() {
    this._getDetail();
  },
  methods: {
    _getDetail() {
      if (!this.singer.id) {
        this.$router.push("/singer");
        return;
      }
      getSingerDetail(this.singer.id).then(res => {
        if (res.code === ERR_OK) {
          this.songs = this._normalizeSongs(res.data.list);
          console.log(this.songs);
        }
      });
    },
    _normalizeSongs(list) {
      let ret = [];
      list.forEach(item => {
        let { musicData } = item;
        if (musicData.songid && musicData.albummid) {
          ret.push(createSong(musicData));
        }
      });
      return ret;
    }
  },
  components: {
    MusicList
  }
};
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
@import '~common/stylus/variable';

.slide-enter-active, .slide-leave-active {
  transition: all 0.3s;
}

.slide-enter, .slide-leave-to {
  transform: translate3d(100%, 0, 0);
}
</style>